Words similar to arcana

Example sentences for: arcana

How can you use “arcana” in a sentence? Here are some example sentences to help you improve your vocabulary:

They burrow into the arcana of their topics and inundate potential acolytes with a barrage of pedantic details.
(Which they've obviously rehearsed, since it includes such arcana as the provenance of the ochre used in the enamel-painting for Lepine watches in the 1840s.)
The overall mining coverage is fairly steeped in the arcana of international treaties and weapons systems, giving it a rather remote flavor.
A front page WSJ feature looks past such arcana as pricing structures and inventory management to find a simpler reason why discount retailers consistently outperform traditional department stores: The former, but not the latter, provide customers with shopping carts.
But as I slavishly grind away at the keyboard coding my assigned arcana, I often observe my neuronic (or is it neurotic?)